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Finding the Fourth Proportional to 62,755.92, 86,605.20 and 35,898.48

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Solution

The fourth proportional to 62,755.92, 86,605.20 and 35,898.48 is: 49,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,755.92 : 86,605.20 = 35,898.48 : x
  2. Step 2: Convert to fraction form
    62,755.92/86,605.20 = 35,898.48/x
  3. Step 3: Cross multiply
    62,755.92x = 86,605.20 × 35,898.48
  4. Step 4: Simplify right side
    62,755.92x = 3,108,995,040.10
  5. Step 5: Solve for x
    x = 3,108,995,040.10/62,755.92
  6. Step 6: Final answer
    x = 49,541.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.